Door look



Jan.9,1945. w. R. SCHLAGE- V 2,396,934

DOOR LOCK Filed Sept. 4, 1942 3 Sheets-Sheet l 9 "ll "l Jan. 9, 1945.

w. R. scHLAGE 2,366,934

DOOR LOCK Filed Sept. 4, 1942 3 Sheets-Sheet 2 V N TOR.

BY Y

l Jan. 9, 1945. `w. R. scHLAGE 2,366,934

DOOR LOCK y Filed Sept. 4, 1942 3 Sheets-Sheet 5 IN V EN TOR.

ATTORN o Fig. 53 isa Vertical Patented Jan. `9, 1945 PATENT QF'FICE/ N.N 2,366,934 n l This invention relates to` door locks and;` espe-`ciazlly4 toL improvements and Vadditionsto the structure shown: in myrecent patent entitled-` KfDoor lockf issued November 117 1942,, PatentNo.`

Inthe present application Ilhave showna spin-y1 dleyhousing and atubular spindle together with 4a latch bolt.. housing anda latch boltmechanism which is lsubstantiall5?` identical with thedisclosure-inmycof-pending application'. `.I3-ut' in addition thereto, a new mechanismis disclosedwhich is; contained; in; the` tubulary spindle.` This mechianism -forms the subject matter of. the present n application.`

Broadiy' salted.` the object ef the `presentin-l` `vention isf toprovide a key mechanism .in one end oflthev tubular spindle which islongitudinal- 1M movable by manual operation to provide mechanismactuated by suclrlongitudinal movement for `retracting the latchbolt;toVprovicle` akey mechanism which becomes `.rotatable `by insertion ofakey and `Icy key not-ation transmits rotary movement to the `spindletoretractlthe latch bolt; i

Eig..92 is "a.;perspective view of the housing` containingl the;cylinder plug and: towhich the capin;1g'..8 is applied.`

` glig. 10 is `amperspectilve view of'` the spindle housing. WIM i Fig.this agperspecttvefviewfof the inner push. buttonand a clogging `baractuated thereby; Eig12` is a perspective viewlookingat-oneside`oitheispindle. t

`Eig. ljBIis aperspectiveviewofia dog. Whichis connected with thedogging bar shown inFi-g. 11.

shown in Fig. 1-2-, thereof. i i Referring; to: Ethewdrawings. in`detail and` parf Eig.v 14 i is a 1 perspective i view i of theretractor lever;A and.. c IP-ig; 1=5-` is` aiperspectivey View` of theVspindle blut showing; `the Opposite `side ticnlarly` Figsipl 'and `2, Aindicates a door in whz'rchis drilledf or `bored two. holes, oneindicated atl and the otheratfS.. Theseholesa-re disposed o at rightangles at.-each other,` andintersect.` Insertable ntofthedholeg.- 3` isa latchbolt housing,

i generally indicatediat B,see Figs.` 1, 12 and 6l and further, toprovideapush button `act-,nated @Rigging `meehanis-m inY the oppositeVend of; the` spindle rwherebyv thea `key mechanism may be idogged-.against longitudinal movement-butat'the be rotated bykey opera-(Fig. '2- is ahorizontal section taken on line IIe-II, Fig. l; V

nI-nLriga.

'sectiontaken on line"` Fig. 4 isasection similar to` Fig. 2 srowingtheThe lock mechanismas a `whole together With 330 Onntheouter end ofi-thishousingis a face` plate ,4 having screwholesiormed at eachendtopermitthehousing to. :be secured within the hole to the edge ofthezdoorby ordinary screwsl Slid- 2ablymounted the `housing B- is a retractorplate 5y on the outer end of which isi-secured a latch boltlipandiformed adjacent the inner `end of the; retractor plateI is anelongated slot l,

n see. Fig. 3, which terminates in a right; angular shoulder 8i. Thisslot is essential as it `permits insertion of afspindlehousing and' aspindle, as

lkey'mechanismK doggedagainst longitudinal 4.movement.

Eig., iliswalsection similar toFig.2. showing lthe key mechanism, moved.longitudinally and` the f latch bolt retracted.` l

Fig. 6 iS anperspective viewof, the lock mecho member Bealigns with thisslotwhen the spinanism as a wholeLthe-ionlyparts missingnfrom 'thisi'View being the innerescutcheon plate-and the innerdoor knob.

Fig. '7 is a perspective4 View of the cylinder lock fplug.` o o I Fig.8is4 aV perspective view of a `cap applied ,to the outer endof a-housingmemberin which `the cylinderplugshowninria. is mounted.

,Willnow be` described, and italso permits ulongitudinal movementofythe, retractor. plate when the latch bolt is-,tobe retracted. o i

Alilxtending crosswise of thedoor through the] openingV i2', and :alsovthrough openings. formed` invthesidewalls of the` latch-bolt housing,see Figs. :Bland l0, is a tubular spindle, housing, generallyr indicatedat (Landi extending through said Ahousing isaa tubular spindle.generally indicated at D, see Figs. l2` andI 15,` which` iscrossslotted` midway of its lengthfto-form a roll back memberi 9..Thetubular spindlethousing Cris `also *cross-slotted, asindcatedat 9a.Theroll back dle is properly positioned Within the spindle housing,Aand. shoulder 8-f 'the retractor plate ex.-

\ tends.. through the `slot 9a and., engages the roll Llcackfrrlembery9,.:see. Fig. 3, so that rotation of thespindle Willcause the rollbackmember to` engageA theshoulder 8 and). thereby force, it rear- Warn-@1y.te retractil@ leiltbel i .fi-Spring "l is interposed between the rearend of the retractor plate and the inner end of the latch bolt housing,and this spring serves a function of normally maintaining the latch boltin proj ected position.

By referring to Figs. 1 and 10 it willbe noted that the opposite ends ofthe spindle housing are threaded and that these threaded ends projectbeyond the inner and outer faces of the door A. These projecting endsare provided with screw threads to receive on the outer face of the doora head member, generally indicated at E and on the inner side of thedoor an escutcheon plate F. The head member E is provided with a handleG thereby permitting the lock as a whole to function as a frontdoorlock, but this handle is not essential as the head member E could beshaped in the form of a knob, see the dotted lines II, so that a pullcan be exerted to open the door as-will hereinafter lie-described. Theknob. indicated in dotted lines will, however, only function in themanner of a drawer knob or pull as it cannot be rotated. The ordinarydoor 'knob H secured on the inner end of the spindle is howeverrotatable to rotate the spindleand thereby to retract the latch bolt.

The mechanism so far described is substantially identical to thatdisclosed in my former patent heretofore referred to, and for thatreason has been only briefly described. The present invention relatesalmost entirely to mechanism which is placed within the tubular spindleD. This mechanism, briefly stated, comprises a key actuated mechanism,generally indicated at J,vsee Fig. 2, disposed in the outer end of thetubular spindle, which may vbe longitudinally moved within the spindleby manual operation to cause retraction of the latch bolt 6, thus makingit possible to retract the latch bolt by merely applying thumb pressureto the endof the key mechanism,` or in other words, to permit it tofunction as a pushr button, which, when depressed by thumb action, willpermit opening of the door. Thisv key mechanism is also rotatable byinsertion of the key, and when key rotated I dog the key mechanismagainst operation eX- cept by insertion of the Vkey as the key mechanismmay berotated even though it is dogged against Alongitudinal movement.

The key mechanism specifically described comprises a tubular housinggenerally indicated at I4, see Figs. 2 and 9. The inner end of thishousing has a lug I5 formed thereon on which is mounted a pin I6. Thispin extends into a slot I1 formed in one end of the tubular spindlehousing, see Fig. 10, and thereby secures the housing I4 Yagainstrotation,butat the same time permitting longitudinal movement thereof.Mounted within the housing I4 is a cylinder key plug I8, see Fig. 7',which carries a series of tumblers |86 and which also has a key wayformed therein. This key way is open at the outer end to permitinsertion of a key I9, see Figs. 1 and 2, and the inner end is providedwith a lug 20, the function of which will hereinafter be described, alsoa pin is secured in the plug at the point indicated vat 2|, and this pinextends into'anv opening 22; see Fig. `12,'soas to permit the plug whenrotated to transmit rotation to plug may be rotated with relation to thehousing I4, but when the key is removed the tumblers will project intosaid slot 14a. and the plug will then be secured against rotation.` Acap 23 is applied to the outer end of the tubular housing I4 andthis captogether with the outer end of the plug I8 forms a push button whichfunctions as will hereinafter be described.

By referring to Figs. 2 and 14, it will be noted that a retractor lever25 is disposed within the spindle just ahead of the lug `2l! formed onthe inner end of the cylinder plug. This lever is pivoted on ,a pin 26extending through and secured in the walls of the spindle. See thedotted lines 26 in Fig. I5. this point to permit introduction of thelever.' The inner end of the lever has a shoulder 21 formed thereon, andthis shoulder engages the shoulder 8 of the retractor plate. 1

The function of the key mechanism and th lever is as follows:

1f it is desired to open the door from' theexterior it is only necessaryto grasp the handle G and apply thumb pressure to the cap 23 and theouter end of the cylinder plug I8. This pres-` sure causes the entirekey mechanism to move inwardly and as it moves inwardly the lug 20engages the rear end of the retractor lever-25 and thereby swinging itabout its pivot 26 and causing the forward end or shoulder 21 to engagethe shoulder 8 of the retractor plate to force it` inwardly and therebyretract the latch bolt 6 when the door mayA be opened by pulling onthe'handle G, .or theknob indicated in dotted lines at II. Uponreleasing thumb Vpressure on the outer end of the key mechanism, springI0 will return all parts to normal position.

A clogging member generally indicated at 3 0 and mounted adjacentthe'free end of the lever 25 may be pushed inwardly to assume theposition shown in Fig. 4' by means of a push button indicated at 3|, andwhen the dog assumes the position shown in Fig. 4, it will obviously beimpossible to impart longitudinal movement to the key mechanism andthekey mechanism'is'fthus dogged against depression or push button actionto open the` door.

as by inserting a key the tumblers will befwithdrawn from the slot |4aof the housing I4, vthus leavingV the cylinder plug I8 free to be'rotated by the key, and when it is so rotated, pin 2| carried by theinner end of the 'cylinderplug will engage one or another of theshoulders 22a and the spindle thereby rotating it, such rotation causingthe roll back member 9 of thegspindle to engage the shoulder 8 ofthe'retractor plate,

Also the spindle is slotted at It may, nevertheless, -be openedproviding a person has the` properV key,

.' UThe doggingmechanlsxn 1consists of alrod-like ittofbe attached to adoggingfbarl dogging lbar carries the push button 33| -1 ati its outer*end and this push button projects through thefinner endofthe spindleandtheknobH carslot lorldepression 36 is `formed midwayfo'ilfthe length"of the fslot35 and the pin j`31normally rests the `depression` 36 whenthedogvisuundgged'fbutwhentthe pushf button STI lie-pre"s`sc"d `inwardlymerisier-is moved out-ef :the siete-s l virl-tothe slot35 andmay'then-b'e rotatedftof` either side and the push button 3|`isHlthusl-se'cnired against return ^movement until itt-is again-rotated to cause` the "pin" 31 `to register witlof-the ldepression 36;When `pin 3-1 engagesi'theslot ,t rled thereby. The pin connects thedogging member`30 and; thelbar33 projects beyond the outerface of thedog 30 and 'intoacress"`slot 35 formed in th l spindl'e,seelllig.`12.`lA second l ated by longitudinalmovementgoft the key, mecha'r .l anism`for retracting--thelllatch bolt, .andlaknob '85 ateither side of thedepression` 36` the? forward endof thetdogwhichisliared, engages thefor# tion of the push button 3l is its extended posimovement jot the keymechanism; ancla means .tract the latch bolt; V5. Irra doorlock, a-latchwbolt a sptnfdlara rollback hmember. on` the spindle,` keyactuated means in the spindle for rotatingthe: spindlevto 'i causertnerollback to retract the laten rboiasaiu key actuatedl means beinglongitudinally movable in the spindle by `manual operation',` meansactu.;-

forjrotating the spindle tdcauselthe rollbackuto retract the latchbolt.V l t latch boltuis retracted, a depressable` `puslrhut` Itonlmounted in, the outer: end `of "ther spindle means actuatedby thepushbuttonltowretract i l `thelatch bolt, .manipulative means withirt theinnervend of the spindle `to render the tpushztbut tonnen-depressable,andxkey` operated 4means 4within thewpush button adaptednto rotateuthe.25 spindle to retract the latch bolt whentthe-.fpush `button isrendered `nom-depressable.Y l t l. 7.. Inra lock, ,a latch bolt,`atubular spindlepla push button. extending :through one: endooflthetion, as itmust be manually pushed inwardly and then rotated to one sideor another before the dog can assume dogging position. When the door isdogged from the inner side it is locked against being opened from theoutside except by an authorized person having the proper key, as inclogging position the push button action of the key mechanismcannotbeutilized. On the other hand it can .be rotated to :open thedoor when theproperkey is inserted. l

Having thus described my invention, what I `desire to secure by LettersPatent is l t tion of the spindle bythe knob will retract the 1. In alock, a. latch bolt, a tubular rotatable spindle, means actuated byrotation of l,the `spindle forretracting the latch bolt,` a ,push button`mounted in one end of the spindle, meanslactut l ated by said pushbutton for retracting the latch u blot, `a push button mounted in theother end of the spindle, and means actuated by said lastnamed pushbutton for rendering the first-named push button inoperativetoretract-the latchbolt.

2. In a lock, a latch` bolt, a tubular rotatable spindle, means actuatedby rotation of the spinr dle for retracting the latch bolt, a pushbutton m-ounted'in one end of the spindle, means actuated by saidpushbutton for retracting the` latch bolt, a push button mounted in theopposite end t of the spindle, and means actuated by said lastnamed pushbutton for clogging the lirst-named push button against operation.` l

3. In a lock, a latch bolt, a single tubular spindle, a depressable pushbutton mounted at the outer end of the spindle `and longitudinally movlable therein, means carried by and withinthe spindle actuated 'bydepression of thepush but-` l ton to retract the latch bolt, `and aroll-back member on the spindle actuated by rotation of spindle `forretracting the latch bolt, said key l `actuated means beinglongitudinally movable in l the `spindle by manual operation, a leverpivspindle,a key mechanismlwithin"thepush button, means carried by thespindle whereby depression of the push button or rotation of the spindleor rotationof the key mechanism will retract thelatch boltyand othermeans within the spindle whereby the push button is renderednon-depressable, leaving the spindle and key` l mechanism free toretract the latch bolt..

8. Ina lock, a latch bolt, a hollow spindle, a

push button `extending through one end of the spindle and a knob mountedonthe other end,

means whereby depression `of `thel push `button will retract thelatchbolt, means whereby rotalatch boltand manually operative meansextend- `ing `throughthe knob, adapted to either permitor preventoperation of the `push button, said manual means leaving the knobsfreeto rotate the spindle and retract the latch bolt at all times.

9. In a lock, a latch bolt, a hollow spindle, a

push button extending through one end of the` spindle, a knob mounted onthe other end, means whereby depression `of the push button will retractthe latch bolt, meanswhereby rotation of the spindle by the knob willretract the .latch bolt, l

manually operative means extending through the knob, adapted to eitherpermit or prevent operation of the push button, said manual meansleaving the knob free to rotatethe spindle and; retract the latch boltat all times,` and key actuated means within the push button wherebythelatch bolt can be retractedvvhen the push button l is renderedinoperative.

`10.` In a lock, a latch bolt, a.` a latchboltretractor member pivotallymounted within the spindle, a depressable push button `projecting fromthe outer end of thespindle adaptedto impart swinging movement to there- .tractor `member to retract the latch` bolt, and

dogging means projecting' from the inner end` of the spindle adaptedto'dog the retractor member against swinging movement.

11. In alock, alatch bolt, a rotatable tubular` `spindlehaving arollback `member to retractthe latch bolt, a pivoted latch boltretractormounted within thespindle, a sliding 'element in one` end ofthe spindle adapted to operate the pivoted ot'ally mounted 'inthe`spindle and-.being engaged andswung about itspivotI` duringlongitudinal tubmar spindle,

latch bolt retractor, and another sliding element Within the other endof the spindle, adapted Ato render the pivoted retractor inoperative.`l,

12.In a lock, a latch bo1t a rotatable tubular spindle having a rollbackmember to retract the latch bolt, a longitudinally movable and rotatablekey mechanism extending into the outer end of the spindle and movableindependently of the spindle, a knob on the inner end of the spindle,means whereby longitudinal movementof. the key mechanism or rotation ofthe spindle by either key or knob will retract the latchbolt,y anddogging means Within the knob, adaptedto prevent longitudinal movementof the key mechanism, but leaving the key and knob freeto rotate .thespindle at all times. l

13. In a front door lock, latch bolt housing containing a latch bolt, aspindle housing clisposed at right angles thereto and containingvarotatable spindle, a rollback member spindle to retract the latch bolt,a head member secured to one end of the spindle housing, Ia pushbuttonlongitudinally movable in said head member, a rotatable key mechanism inthe push, button, means actuated by rotation of the key mechanism forrotating the spindle to retract thev latch bolt, and means actuated bylongitudinal movement of the push button for retracting the latch boltindependentlyof the rollback member.

14. In a front door lock, latchboltghousing containing a latch bolt, aspindle housing disposed at right angles thereto and containing arotatable spindle, a rollback member spindle to retract the latch bolt,a headV membersecured `to oneend of the vspindle housing, a push buttonlongitudinally movable in said head member,v a rotatable key mechanismin the push button, means actuated by rotation of the key mechanism forrotating `the spindle to retract the latch bolt, means actuated` bylongitudinal movement of the llpush button for latch bolt is retracted,a rotatable key actuated v mechanism longitudinally movable in one endof the spindle, and means whereby either :longitudinal movement of thekey actuated vmechanism or rotation by a key will retract the. latchbolt.

WALTER R. SCHLAGE.

